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'use client'
import { useEffect, useMemo, useState, useRef, useCallback } from 'react'
import dayjs from 'dayjs'
import utc from 'dayjs/plugin/utc'
import { usePlaygroundStore } from '@/store'
import { useQueryState } from 'nuqs'
import SessionItem from './SessionItem'
import SessionBlankState from './SessionBlankState'
import useSessionLoader from '@/hooks/useSessionLoader'
import { cn } from '@/lib/utils'
import { FC } from 'react'
import { Skeleton } from '@/components/ui/skeleton'
interface SkeletonListProps {
skeletonCount: number
}
const SkeletonList: FC<SkeletonListProps> = ({ skeletonCount }) => {
const skeletons = useMemo(
() => Array.from({ length: skeletonCount }, (_, i) => i),
[skeletonCount]
)
return skeletons.map((skeleton, index) => (
<Skeleton
key={skeleton}
className={cn(
'mb-1 h-11 rounded-lg px-3 py-2',
index > 0 && 'bg-background-secondary'
)}
/>
))
}
dayjs.extend(utc)
const formatDate = (
timestamp: number,
format: 'natural' | 'full' = 'full'
): string => {
const date = dayjs.unix(timestamp).utc()
return format === 'natural'
? date.format('HH:mm')
: date.format('YYYY-MM-DD HH:mm:ss')
}
const Sessions = () => {
const [agentId] = useQueryState('agent', {
parse: (value) => value || undefined,
history: 'push'
})
const [sessionId] = useQueryState('session')
const {
selectedEndpoint,
isEndpointActive,
isEndpointLoading,
sessionsData,
hydrated,
hasStorage,
setSessionsData
} = usePlaygroundStore()
const [isScrolling, setIsScrolling] = useState(false)
const [selectedSessionId, setSelectedSessionId] = useState<string | null>(
null
)
const { getSession, getSessions } = useSessionLoader()
const scrollTimeoutRef = useRef<ReturnType<typeof setTimeout>>(null)
const { isSessionsLoading } = usePlaygroundStore()
const handleScroll = () => {
setIsScrolling(true)
if (scrollTimeoutRef.current) {
clearTimeout(scrollTimeoutRef.current)
}
scrollTimeoutRef.current = setTimeout(() => {
setIsScrolling(false)
}, 1500)
}
// Cleanup the scroll timeout when component unmounts
useEffect(() => {
return () => {
if (scrollTimeoutRef.current) {
clearTimeout(scrollTimeoutRef.current)
}
}
}, [])
// Load a session on render if a session id exists in url
useEffect(() => {
if (sessionId && agentId && selectedEndpoint && hydrated) {
getSession(sessionId, agentId)
}
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [hydrated])
useEffect(() => {
if (!selectedEndpoint || !agentId || !hasStorage) {
setSessionsData(() => null)
return
}
if (!isEndpointLoading) {
setSessionsData(() => null)
getSessions(agentId)
}
}, [
selectedEndpoint,
agentId,
getSessions,
isEndpointLoading,
hasStorage,
setSessionsData
])
useEffect(() => {
if (sessionId) {
setSelectedSessionId(sessionId)
}
}, [sessionId])
const formattedSessionsData = useMemo(() => {
if (!sessionsData || !Array.isArray(sessionsData)) return []
return sessionsData.map((entry) => ({
...entry,
created_at: entry.created_at,
formatted_time: formatDate(entry.created_at, 'natural')
}))
}, [sessionsData])
const handleSessionClick = useCallback(
(id: string) => () => setSelectedSessionId(id),
[]
)
if (isSessionsLoading || isEndpointLoading)
return (
<div className="w-full">
<div className="mb-2 text-xs font-medium uppercase">Sessions</div>
<div className="mt-4 h-[calc(100vh-325px)] w-full overflow-y-auto">
<SkeletonList skeletonCount={5} />
</div>
</div>
)
return (
<div className="w-full">
<div className="mb-2 w-full text-xs font-medium uppercase">Sessions</div>
<div
className={`h-[calc(100vh-345px)] overflow-y-auto font-geist transition-all duration-300 [&::-webkit-scrollbar]:w-1 [&::-webkit-scrollbar]:transition-opacity [&::-webkit-scrollbar]:duration-300 ${isScrolling ? '[&::-webkit-scrollbar-thumb]:rounded-full [&::-webkit-scrollbar-thumb]:bg-background [&::-webkit-scrollbar-track]:bg-transparent [&::-webkit-scrollbar]:opacity-0' : '[&::-webkit-scrollbar]:opacity-100'}`}
onScroll={handleScroll}
onMouseOver={() => setIsScrolling(true)}
onMouseLeave={handleScroll}
>
{!isEndpointActive ||
!hasStorage ||
(!isSessionsLoading && (!sessionsData || sessionsData.length === 0)) ? (
<SessionBlankState />
) : (
<div className="flex flex-col gap-y-1 pr-1">
{formattedSessionsData.map((entry, index) => (
<SessionItem
key={`${entry.session_id}-${index}`}
{...entry}
isSelected={selectedSessionId === entry.session_id}
onSessionClick={handleSessionClick(entry.session_id)}
/>
))}
</div>
)}
</div>
</div>
)
}
export default Sessions
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